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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
fe6c991c | 3 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, | |
6 | * modify, copy, or redistribute it subject to the terms and conditions | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #ifndef __RGRP_DOT_H__ | |
11 | #define __RGRP_DOT_H__ | |
12 | ||
5a0e3ad6 TH |
13 | #include <linux/slab.h> |
14 | ||
f2f7ba52 SW |
15 | struct gfs2_rgrpd; |
16 | struct gfs2_sbd; | |
17 | struct gfs2_holder; | |
18 | ||
09010978 | 19 | extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd); |
b3b94faa | 20 | |
cd915493 | 21 | struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); |
b3b94faa DT |
22 | struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp); |
23 | struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd); | |
24 | ||
09010978 SW |
25 | extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); |
26 | extern int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh); | |
b3b94faa | 27 | |
09010978 SW |
28 | extern int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd); |
29 | extern void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd); | |
30 | extern void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd); | |
b3b94faa | 31 | |
09010978 | 32 | extern void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd); |
b3b94faa | 33 | |
09010978 | 34 | extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); |
2c1e52aa SW |
35 | static inline void gfs2_alloc_put(struct gfs2_inode *ip) |
36 | { | |
6dbd8224 SW |
37 | BUG_ON(ip->i_alloc == NULL); |
38 | kfree(ip->i_alloc); | |
39 | ip->i_alloc = NULL; | |
2c1e52aa | 40 | } |
b3b94faa | 41 | |
46290341 BP |
42 | extern int gfs2_inplace_reserve_i(struct gfs2_inode *ip, int hold_rindex, |
43 | char *file, unsigned int line); | |
b3b94faa | 44 | #define gfs2_inplace_reserve(ip) \ |
46290341 BP |
45 | gfs2_inplace_reserve_i((ip), 1, __FILE__, __LINE__) |
46 | #define gfs2_inplace_reserve_ri(ip) \ | |
47 | gfs2_inplace_reserve_i((ip), 0, __FILE__, __LINE__) | |
b3b94faa | 48 | |
09010978 | 49 | extern void gfs2_inplace_release(struct gfs2_inode *ip); |
b3b94faa | 50 | |
086d8334 | 51 | extern int gfs2_ri_update(struct gfs2_inode *ip); |
09010978 | 52 | extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n); |
6050b9c7 | 53 | extern int gfs2_alloc_di(struct gfs2_inode *ip, u64 *bn, u64 *generation); |
b3b94faa | 54 | |
4c16c36a | 55 | extern void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); |
09010978 | 56 | extern void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); |
4c16c36a | 57 | extern void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); |
09010978 SW |
58 | extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); |
59 | extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); | |
60 | extern void gfs2_unlink_di(struct inode *inode); | |
acf7e244 SW |
61 | extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr, |
62 | unsigned int type); | |
b3b94faa DT |
63 | |
64 | struct gfs2_rgrp_list { | |
65 | unsigned int rl_rgrps; | |
66 | unsigned int rl_space; | |
67 | struct gfs2_rgrpd **rl_rgd; | |
68 | struct gfs2_holder *rl_ghs; | |
69 | }; | |
70 | ||
09010978 SW |
71 | extern void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist, |
72 | u64 block); | |
73 | extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state); | |
74 | extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist); | |
75 | extern u64 gfs2_ri_total(struct gfs2_sbd *sdp); | |
76 | extern int gfs2_rgrp_dump(struct seq_file *seq, const struct gfs2_glock *gl); | |
b3b94faa DT |
77 | |
78 | #endif /* __RGRP_DOT_H__ */ |